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Finding the Fourth Proportional to 167,710.86, 251,391.29 and 67,939.92

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Solution

The fourth proportional to 167,710.86, 251,391.29 and 67,939.92 is: 101,838.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,710.86 : 251,391.29 = 67,939.92 : x
  2. Step 2: Convert to fraction form
    167,710.86/251,391.29 = 67,939.92/x
  3. Step 3: Cross multiply
    167,710.86x = 251,391.29 × 67,939.92
  4. Step 4: Simplify right side
    167,710.86x = 17,079,503,791.60
  5. Step 5: Solve for x
    x = 17,079,503,791.60/167,710.86
  6. Step 6: Final answer
    x = 101,838.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.